1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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2 | * |
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3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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18 | * |
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19 | */ |
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20 | |
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21 | #include "config.h" |
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22 | |
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23 | #include <stdlib.h> |
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24 | #include <stdio.h> |
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25 | #include <unistd.h> |
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26 | #include <string.h> |
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27 | |
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28 | #include <dbus/dbus-glib.h> |
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29 | #include <dbus/dbus-glib-lowlevel.h> |
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30 | |
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31 | #include <glib.h> |
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32 | #include <glib/gi18n.h> |
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33 | #include <glib-object.h> |
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34 | #include <gconf/gconf-client.h> |
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35 | |
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36 | #include "gdm-greeter-session.h" |
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37 | #include "gdm-greeter-client.h" |
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38 | #include "gdm-greeter-panel.h" |
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39 | #include "gdm-greeter-login-window.h" |
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40 | #include "gdm-user-chooser-widget.h" |
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41 | |
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42 | #include "gdm-profile.h" |
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43 | |
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44 | #define GDM_GREETER_SESSION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_GREETER_SESSION, GdmGreeterSessionPrivate)) |
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45 | |
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46 | struct GdmGreeterSessionPrivate |
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47 | { |
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48 | GdmGreeterClient *client; |
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49 | |
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50 | GtkWidget *login_window; |
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51 | GtkWidget *panel; |
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52 | }; |
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53 | |
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54 | enum { |
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55 | PROP_0, |
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56 | }; |
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57 | |
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58 | static void gdm_greeter_session_class_init (GdmGreeterSessionClass *klass); |
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59 | static void gdm_greeter_session_init (GdmGreeterSession *greeter_session); |
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60 | static void gdm_greeter_session_finalize (GObject *object); |
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61 | |
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62 | G_DEFINE_TYPE (GdmGreeterSession, gdm_greeter_session, G_TYPE_OBJECT) |
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63 | |
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64 | static gpointer session_object = NULL; |
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65 | |
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66 | static void |
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67 | on_info (GdmGreeterClient *client, |
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68 | const char *text, |
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69 | GdmGreeterSession *session) |
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70 | { |
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71 | g_debug ("GdmGreeterSession: Info: %s", text); |
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72 | |
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73 | gdm_greeter_login_window_info (GDM_GREETER_LOGIN_WINDOW (session->priv->login_window), text); |
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74 | } |
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75 | |
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76 | static void |
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77 | on_problem (GdmGreeterClient *client, |
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78 | const char *text, |
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79 | GdmGreeterSession *session) |
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80 | { |
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81 | g_debug ("GdmGreeterSession: Problem: %s", text); |
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82 | |
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83 | gdm_greeter_login_window_problem (GDM_GREETER_LOGIN_WINDOW (session->priv->login_window), text); |
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84 | } |
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85 | |
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86 | static void |
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87 | on_ready (GdmGreeterClient *client, |
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88 | GdmGreeterSession *session) |
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89 | { |
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90 | g_debug ("GdmGreeterSession: Ready"); |
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91 | |
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92 | gdm_greeter_login_window_ready (GDM_GREETER_LOGIN_WINDOW (session->priv->login_window)); |
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93 | } |
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94 | |
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95 | static void |
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96 | on_reset (GdmGreeterClient *client, |
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97 | GdmGreeterSession *session) |
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98 | { |
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99 | g_debug ("GdmGreeterSession: Reset"); |
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100 | |
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101 | gdm_greeter_panel_reset (GDM_GREETER_PANEL (session->priv->panel)); |
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102 | gdm_greeter_login_window_reset (GDM_GREETER_LOGIN_WINDOW (session->priv->login_window)); |
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103 | } |
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104 | |
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105 | static void |
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106 | show_or_hide_user_options (GdmGreeterSession *session, |
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107 | const char *username) |
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108 | { |
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109 | if (username != NULL && strcmp (username, GDM_USER_CHOOSER_USER_OTHER) != 0) { |
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110 | gdm_greeter_panel_show_user_options (GDM_GREETER_PANEL (session->priv->panel)); |
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111 | } else { |
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112 | gdm_greeter_panel_hide_user_options (GDM_GREETER_PANEL (session->priv->panel)); |
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113 | } |
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114 | } |
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115 | |
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116 | static void |
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117 | on_selected_user_changed (GdmGreeterClient *client, |
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118 | const char *text, |
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119 | GdmGreeterSession *session) |
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120 | { |
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121 | g_debug ("GdmGreeterSession: selected user changed: %s", text); |
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122 | show_or_hide_user_options (session, text); |
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123 | } |
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124 | |
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125 | static void |
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126 | on_default_language_name_changed (GdmGreeterClient *client, |
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127 | const char *text, |
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128 | GdmGreeterSession *session) |
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129 | { |
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130 | g_debug ("GdmGreeterSession: default language name changed: %s", text); |
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131 | gdm_greeter_panel_set_default_language_name (GDM_GREETER_PANEL (session->priv->panel), |
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132 | text); |
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133 | } |
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134 | |
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135 | static void |
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136 | on_default_layout_name_changed (GdmGreeterClient *client, |
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137 | const char *text, |
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138 | GdmGreeterSession *session) |
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139 | { |
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140 | g_debug ("GdmGreeterSession: default layout name changed: %s", text); |
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141 | gdm_greeter_panel_set_default_layout_name (GDM_GREETER_PANEL (session->priv->panel), |
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142 | text); |
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143 | } |
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144 | |
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145 | static void |
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146 | on_default_session_name_changed (GdmGreeterClient *client, |
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147 | const char *text, |
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148 | GdmGreeterSession *session) |
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149 | { |
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150 | g_debug ("GdmGreeterSession: default session name changed: %s", text); |
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151 | gdm_greeter_panel_set_default_session_name (GDM_GREETER_PANEL (session->priv->panel), |
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152 | text); |
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153 | } |
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154 | |
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155 | static void |
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156 | on_timed_login_requested (GdmGreeterClient *client, |
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157 | const char *text, |
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158 | int delay, |
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159 | GdmGreeterSession *session) |
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160 | { |
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161 | g_debug ("GdmGreeterSession: timed login requested for user %s (in %d seconds)", text, delay); |
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162 | gdm_greeter_login_window_request_timed_login (GDM_GREETER_LOGIN_WINDOW (session->priv->login_window), text, delay); |
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163 | } |
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164 | |
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165 | static void |
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166 | on_user_authorized (GdmGreeterClient *client, |
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167 | GdmGreeterSession *session) |
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168 | { |
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169 | g_debug ("GdmGreeterSession: user authorized"); |
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170 | gdm_greeter_login_window_user_authorized (GDM_GREETER_LOGIN_WINDOW (session->priv->login_window)); |
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171 | } |
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172 | |
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173 | static void |
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174 | on_info_query (GdmGreeterClient *client, |
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175 | const char *text, |
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176 | GdmGreeterSession *session) |
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177 | { |
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178 | g_debug ("GdmGreeterSession: Info query: %s", text); |
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179 | |
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180 | gdm_greeter_login_window_info_query (GDM_GREETER_LOGIN_WINDOW (session->priv->login_window), text); |
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181 | } |
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182 | |
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183 | static void |
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184 | on_secret_info_query (GdmGreeterClient *client, |
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185 | const char *text, |
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186 | GdmGreeterSession *session) |
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187 | { |
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188 | g_debug ("GdmGreeterSession: Secret info query: %s", text); |
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189 | |
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190 | gdm_greeter_login_window_secret_info_query (GDM_GREETER_LOGIN_WINDOW (session->priv->login_window), text); |
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191 | } |
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192 | |
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193 | static void |
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194 | on_begin_auto_login (GdmGreeterLoginWindow *login_window, |
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195 | const char *username, |
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196 | GdmGreeterSession *session) |
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197 | { |
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198 | gdm_greeter_client_call_begin_auto_login (session->priv->client, |
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199 | username); |
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200 | } |
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201 | |
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202 | static void |
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203 | on_begin_verification (GdmGreeterLoginWindow *login_window, |
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204 | GdmGreeterSession *session) |
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205 | { |
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206 | gdm_greeter_client_call_begin_verification (session->priv->client); |
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207 | } |
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208 | |
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209 | static void |
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210 | on_begin_verification_for_user (GdmGreeterLoginWindow *login_window, |
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211 | const char *username, |
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212 | GdmGreeterSession *session) |
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213 | { |
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214 | gdm_greeter_client_call_begin_verification_for_user (session->priv->client, |
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215 | username); |
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216 | } |
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217 | |
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218 | static void |
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219 | on_query_answer (GdmGreeterLoginWindow *login_window, |
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220 | const char *text, |
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221 | GdmGreeterSession *session) |
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222 | { |
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223 | gdm_greeter_client_call_answer_query (session->priv->client, |
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224 | text); |
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225 | } |
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226 | |
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227 | static void |
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228 | on_select_session (GdmGreeterSession *session, |
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229 | const char *text) |
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230 | { |
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231 | gdm_greeter_client_call_select_session (session->priv->client, |
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232 | text); |
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233 | } |
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234 | |
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235 | static void |
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236 | on_select_language (GdmGreeterSession *session, |
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237 | const char *text) |
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238 | { |
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239 | gdm_greeter_client_call_select_language (session->priv->client, |
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240 | text); |
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241 | } |
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242 | |
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243 | static void |
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244 | on_select_layout (GdmGreeterSession *session, |
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245 | const char *text) |
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246 | { |
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247 | gdm_greeter_client_call_select_layout (session->priv->client, |
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248 | text); |
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249 | } |
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250 | |
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251 | static void |
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252 | on_dialog_hidden (GdmGreeterSession *session) |
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253 | { |
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254 | gtk_window_present (GTK_WINDOW (session->priv->login_window)); |
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255 | } |
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256 | |
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257 | static void |
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258 | on_select_user (GdmGreeterLoginWindow *login_window, |
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259 | const char *text, |
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260 | GdmGreeterSession *session) |
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261 | { |
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262 | show_or_hide_user_options (session, text); |
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263 | gdm_greeter_client_call_select_user (session->priv->client, |
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264 | text); |
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265 | } |
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266 | |
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267 | static void |
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268 | on_cancelled (GdmGreeterLoginWindow *login_window, |
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269 | GdmGreeterSession *session) |
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270 | { |
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271 | gdm_greeter_panel_hide_user_options (GDM_GREETER_PANEL (session->priv->panel)); |
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272 | gdm_greeter_client_call_cancel (session->priv->client); |
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273 | } |
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274 | |
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275 | static void |
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276 | on_disconnected (GdmGreeterLoginWindow *login_window, |
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277 | GdmGreeterSession *session) |
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278 | { |
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279 | gdm_greeter_client_call_disconnect (session->priv->client); |
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280 | } |
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281 | |
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282 | static void |
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283 | on_start_session (GdmGreeterLoginWindow *login_window, |
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284 | GdmGreeterSession *session) |
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285 | { |
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286 | gdm_greeter_client_call_start_session_when_ready (session->priv->client, TRUE); |
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287 | } |
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288 | |
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289 | static int |
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290 | get_tallest_monitor_at_point (GdkScreen *screen, |
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291 | int x, |
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292 | int y) |
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293 | { |
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294 | GdkRectangle area; |
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295 | GdkRegion *region; |
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296 | int i; |
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297 | int monitor; |
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298 | int n_monitors; |
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299 | int tallest_height; |
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300 | |
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301 | tallest_height = 0; |
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302 | n_monitors = gdk_screen_get_n_monitors (screen); |
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303 | monitor = -1; |
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304 | for (i = 0; i < n_monitors; i++) { |
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305 | gdk_screen_get_monitor_geometry (screen, i, &area); |
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306 | region = gdk_region_rectangle (&area); |
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307 | |
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308 | if (gdk_region_point_in (region, x, y)) { |
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309 | if (area.height > tallest_height) { |
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310 | monitor = i; |
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311 | tallest_height = area.height; |
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312 | } |
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313 | } |
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314 | gdk_region_destroy (region); |
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315 | } |
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316 | |
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317 | if (monitor == -1) { |
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318 | monitor = gdk_screen_get_monitor_at_point (screen, x, y); |
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319 | } |
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320 | |
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321 | return monitor; |
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322 | } |
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323 | |
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324 | static void |
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325 | toggle_panel (GdmGreeterSession *session, |
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326 | gboolean enabled) |
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327 | { |
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328 | gdm_profile_start (NULL); |
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329 | |
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330 | if (enabled) { |
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331 | GdkDisplay *display; |
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332 | GdkScreen *screen; |
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333 | int monitor; |
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334 | int x, y; |
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335 | |
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336 | display = gdk_display_get_default (); |
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337 | gdk_display_get_pointer (display, &screen, &x, &y, NULL); |
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338 | |
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339 | monitor = get_tallest_monitor_at_point (screen, x, y); |
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340 | |
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341 | session->priv->panel = gdm_greeter_panel_new (screen, monitor); |
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342 | |
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343 | g_signal_connect_swapped (session->priv->panel, |
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344 | "language-selected", |
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345 | G_CALLBACK (on_select_language), |
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346 | session); |
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347 | |
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348 | g_signal_connect_swapped (session->priv->panel, |
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349 | "layout-selected", |
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350 | G_CALLBACK (on_select_layout), |
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351 | session); |
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352 | |
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353 | g_signal_connect_swapped (session->priv->panel, |
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354 | "session-selected", |
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355 | G_CALLBACK (on_select_session), |
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356 | session); |
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357 | |
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358 | g_signal_connect_swapped (session->priv->panel, |
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359 | "dialog-hidden", |
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360 | G_CALLBACK (on_dialog_hidden), |
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361 | session); |
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362 | |
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363 | gtk_widget_show (session->priv->panel); |
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364 | } else { |
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365 | gtk_widget_destroy (session->priv->panel); |
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366 | session->priv->panel = NULL; |
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367 | } |
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368 | |
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369 | gdm_profile_end (NULL); |
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370 | } |
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371 | |
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372 | static void |
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373 | toggle_login_window (GdmGreeterSession *session, |
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374 | gboolean enabled) |
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375 | { |
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376 | gdm_profile_start (NULL); |
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377 | |
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378 | if (enabled) { |
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379 | gboolean is_local; |
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380 | |
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381 | is_local = gdm_greeter_client_get_display_is_local (session->priv->client); |
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382 | g_debug ("GdmGreeterSession: Starting a login window local:%d", is_local); |
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383 | session->priv->login_window = gdm_greeter_login_window_new (is_local); |
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384 | |
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385 | g_signal_connect (session->priv->login_window, |
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386 | "begin-auto-login", |
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387 | G_CALLBACK (on_begin_auto_login), |
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388 | session); |
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389 | g_signal_connect (session->priv->login_window, |
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390 | "begin-verification", |
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391 | G_CALLBACK (on_begin_verification), |
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392 | session); |
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393 | g_signal_connect (session->priv->login_window, |
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394 | "begin-verification-for-user", |
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395 | G_CALLBACK (on_begin_verification_for_user), |
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396 | session); |
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397 | g_signal_connect (session->priv->login_window, |
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398 | "query-answer", |
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399 | G_CALLBACK (on_query_answer), |
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400 | session); |
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401 | g_signal_connect (session->priv->login_window, |
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402 | "user-selected", |
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403 | G_CALLBACK (on_select_user), |
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404 | session); |
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405 | g_signal_connect (session->priv->login_window, |
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406 | "cancelled", |
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407 | G_CALLBACK (on_cancelled), |
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408 | session); |
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409 | g_signal_connect (session->priv->login_window, |
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410 | "disconnected", |
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411 | G_CALLBACK (on_disconnected), |
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412 | session); |
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413 | g_signal_connect (session->priv->login_window, |
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414 | "start-session", |
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415 | G_CALLBACK (on_start_session), |
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416 | session); |
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417 | gtk_widget_show (session->priv->login_window); |
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418 | } else { |
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419 | gtk_widget_destroy (session->priv->login_window); |
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420 | session->priv->login_window = NULL; |
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421 | } |
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422 | gdm_profile_end (NULL); |
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423 | } |
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424 | |
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425 | gboolean |
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426 | gdm_greeter_session_start (GdmGreeterSession *session, |
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427 | GError **error) |
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428 | { |
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429 | gboolean res; |
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430 | |
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431 | g_return_val_if_fail (GDM_IS_GREETER_SESSION (session), FALSE); |
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432 | |
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433 | gdm_profile_start (NULL); |
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434 | |
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435 | res = gdm_greeter_client_start (session->priv->client, error); |
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436 | |
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437 | toggle_panel (session, TRUE); |
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438 | toggle_login_window (session, TRUE); |
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439 | |
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440 | gdm_profile_end (NULL); |
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441 | |
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442 | return res; |
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443 | } |
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444 | |
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445 | void |
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446 | gdm_greeter_session_stop (GdmGreeterSession *session) |
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447 | { |
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448 | g_return_if_fail (GDM_IS_GREETER_SESSION (session)); |
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449 | |
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450 | toggle_panel (session, FALSE); |
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451 | toggle_login_window (session, FALSE); |
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452 | } |
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453 | |
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454 | static void |
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455 | gdm_greeter_session_set_property (GObject *object, |
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456 | guint prop_id, |
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457 | const GValue *value, |
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458 | GParamSpec *pspec) |
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459 | { |
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460 | switch (prop_id) { |
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461 | default: |
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462 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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463 | break; |
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464 | } |
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465 | } |
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466 | |
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467 | static void |
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468 | gdm_greeter_session_get_property (GObject *object, |
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469 | guint prop_id, |
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470 | GValue *value, |
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471 | GParamSpec *pspec) |
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472 | { |
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473 | switch (prop_id) { |
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474 | default: |
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475 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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476 | break; |
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477 | } |
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478 | } |
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479 | |
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480 | static GObject * |
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481 | gdm_greeter_session_constructor (GType type, |
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482 | guint n_construct_properties, |
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483 | GObjectConstructParam *construct_properties) |
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484 | { |
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485 | GdmGreeterSession *greeter_session; |
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486 | |
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487 | greeter_session = GDM_GREETER_SESSION (G_OBJECT_CLASS (gdm_greeter_session_parent_class)->constructor (type, |
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488 | n_construct_properties, |
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489 | construct_properties)); |
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490 | |
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491 | return G_OBJECT (greeter_session); |
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492 | } |
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493 | |
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494 | static void |
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495 | gdm_greeter_session_dispose (GObject *object) |
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496 | { |
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497 | g_debug ("GdmGreeterSession: Disposing greeter_session"); |
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498 | |
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499 | G_OBJECT_CLASS (gdm_greeter_session_parent_class)->dispose (object); |
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500 | } |
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501 | |
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502 | static void |
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503 | gdm_greeter_session_class_init (GdmGreeterSessionClass *klass) |
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504 | { |
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505 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
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506 | |
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507 | object_class->get_property = gdm_greeter_session_get_property; |
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508 | object_class->set_property = gdm_greeter_session_set_property; |
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509 | object_class->constructor = gdm_greeter_session_constructor; |
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510 | object_class->dispose = gdm_greeter_session_dispose; |
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511 | object_class->finalize = gdm_greeter_session_finalize; |
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512 | |
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513 | g_type_class_add_private (klass, sizeof (GdmGreeterSessionPrivate)); |
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514 | } |
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515 | |
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516 | static void |
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517 | gdm_greeter_session_event_handler (GdkEvent *event, |
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518 | GdmGreeterSession *session) |
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519 | { |
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520 | g_assert (GDM_IS_GREETER_SESSION (session)); |
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521 | |
---|
522 | if (event->type == GDK_KEY_PRESS) { |
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523 | GdkEventKey *key_event; |
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524 | |
---|
525 | key_event = (GdkEventKey *) event; |
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526 | if (session->priv->panel != NULL) { |
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527 | if (gtk_window_activate_key (GTK_WINDOW (session->priv->panel), |
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528 | key_event)) { |
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529 | gtk_window_present_with_time (GTK_WINDOW (session->priv->panel), |
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530 | key_event->time); |
---|
531 | return; |
---|
532 | } |
---|
533 | } |
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534 | |
---|
535 | if (session->priv->login_window != NULL) { |
---|
536 | if (gtk_window_activate_key (GTK_WINDOW (session->priv->login_window), |
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537 | ((GdkEventKey *) event))) { |
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538 | gtk_window_present_with_time (GTK_WINDOW (session->priv->login_window), |
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539 | key_event->time); |
---|
540 | return; |
---|
541 | } |
---|
542 | } |
---|
543 | } |
---|
544 | |
---|
545 | gtk_main_do_event (event); |
---|
546 | } |
---|
547 | |
---|
548 | static void |
---|
549 | gdm_greeter_session_init (GdmGreeterSession *session) |
---|
550 | { |
---|
551 | gdm_profile_start (NULL); |
---|
552 | |
---|
553 | session->priv = GDM_GREETER_SESSION_GET_PRIVATE (session); |
---|
554 | |
---|
555 | session->priv->client = gdm_greeter_client_new (); |
---|
556 | g_signal_connect (session->priv->client, |
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557 | "info-query", |
---|
558 | G_CALLBACK (on_info_query), |
---|
559 | session); |
---|
560 | g_signal_connect (session->priv->client, |
---|
561 | "secret-info-query", |
---|
562 | G_CALLBACK (on_secret_info_query), |
---|
563 | session); |
---|
564 | g_signal_connect (session->priv->client, |
---|
565 | "info", |
---|
566 | G_CALLBACK (on_info), |
---|
567 | session); |
---|
568 | g_signal_connect (session->priv->client, |
---|
569 | "problem", |
---|
570 | G_CALLBACK (on_problem), |
---|
571 | session); |
---|
572 | g_signal_connect (session->priv->client, |
---|
573 | "ready", |
---|
574 | G_CALLBACK (on_ready), |
---|
575 | session); |
---|
576 | g_signal_connect (session->priv->client, |
---|
577 | "reset", |
---|
578 | G_CALLBACK (on_reset), |
---|
579 | session); |
---|
580 | g_signal_connect (session->priv->client, |
---|
581 | "selected-user-changed", |
---|
582 | G_CALLBACK (on_selected_user_changed), |
---|
583 | session); |
---|
584 | g_signal_connect (session->priv->client, |
---|
585 | "default-language-name-changed", |
---|
586 | G_CALLBACK (on_default_language_name_changed), |
---|
587 | session); |
---|
588 | g_signal_connect (session->priv->client, |
---|
589 | "default-layout-name-changed", |
---|
590 | G_CALLBACK (on_default_layout_name_changed), |
---|
591 | session); |
---|
592 | g_signal_connect (session->priv->client, |
---|
593 | "default-session-name-changed", |
---|
594 | G_CALLBACK (on_default_session_name_changed), |
---|
595 | session); |
---|
596 | g_signal_connect (session->priv->client, |
---|
597 | "timed-login-requested", |
---|
598 | G_CALLBACK (on_timed_login_requested), |
---|
599 | session); |
---|
600 | g_signal_connect (session->priv->client, |
---|
601 | "user-authorized", |
---|
602 | G_CALLBACK (on_user_authorized), |
---|
603 | session); |
---|
604 | |
---|
605 | /* We want to listen for panel mnemonics even if the |
---|
606 | * login window is focused, so we intercept them here. |
---|
607 | */ |
---|
608 | gdk_event_handler_set ((GdkEventFunc) gdm_greeter_session_event_handler, |
---|
609 | session, NULL); |
---|
610 | |
---|
611 | gdm_profile_end (NULL); |
---|
612 | } |
---|
613 | |
---|
614 | static void |
---|
615 | gdm_greeter_session_finalize (GObject *object) |
---|
616 | { |
---|
617 | GdmGreeterSession *greeter_session; |
---|
618 | |
---|
619 | g_return_if_fail (object != NULL); |
---|
620 | g_return_if_fail (GDM_IS_GREETER_SESSION (object)); |
---|
621 | |
---|
622 | greeter_session = GDM_GREETER_SESSION (object); |
---|
623 | |
---|
624 | g_return_if_fail (greeter_session->priv != NULL); |
---|
625 | |
---|
626 | G_OBJECT_CLASS (gdm_greeter_session_parent_class)->finalize (object); |
---|
627 | } |
---|
628 | |
---|
629 | GdmGreeterSession * |
---|
630 | gdm_greeter_session_new (void) |
---|
631 | { |
---|
632 | if (session_object != NULL) { |
---|
633 | g_object_ref (session_object); |
---|
634 | } else { |
---|
635 | session_object = g_object_new (GDM_TYPE_GREETER_SESSION, NULL); |
---|
636 | g_object_add_weak_pointer (session_object, |
---|
637 | (gpointer *) &session_object); |
---|
638 | } |
---|
639 | |
---|
640 | return GDM_GREETER_SESSION (session_object); |
---|
641 | } |
---|